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    CVE-2026-50291

    OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to versions 3.0.16.0 and 3.1.11.0, processing a crafted BMP file through oiiotool or an application linked to OpenImageIO can reach BMP palette handling in src/bmp.imageio/bmpinput.cpp with an empty color table. BmpInput::read_native_scanline then performs an invalid palette read while decoding an RLE-compressed scanline, causing a process crash and denial of service. This issue is fixed in versions 3.0.16.0 and 3.1.11.0.

    Published:Sep 17, 2026
    Last Modified:Sep 29, 2026
    EPS:Sep 17, 2026
    EPSS Score:0.002
    CVSS Score:5.5

    Affected Products

    Vendor
    Academysoftwarefoundation
    Product
    Openimageio
    Vendor
    Openimageio
    Product
    Openimageio

    Exploits

    https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-q3c7-3225-66h7https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-q3c7-3225-66h7

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-113681 (CVSS 6.8) — OpenImageIO before 3.0.20.0, 3.1.x before 3.1.15.0, and 3.2.x before 3.2.0.3-beta1 contains an integer overflo…
    CVE-2026-65969 (CVSS 5.5) — OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant …
    CVE-2026-67549 (CVSS 7.6) — OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant …
    CVE-2026-63638 (CVSS 8.3) — OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant …
    CVE-2026-63419 (CVSS 7.8) — OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant …
    CVE-2026-65970 (CVSS 5.3) — OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant …
    CVE-2026-63635 (CVSS 5.5) — OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant …
    CVE-2026-63422 (CVSS 7.8) — OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant …
    CVE-2026-63420 (CVSS 5.5) — OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant …
    CVE-2026-59181 (CVSS 6.1) — OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High